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Cheap flights from London to Istanbul from €105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Istanbul departing on 13/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

British Airways Logo
09:25 - 15:20LHR-SAW
3h 55mdirect
British Airways Logo
16:15 - 18:20SAW-LHR
4h 05mdirect
€174British Airways
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Wed, 1 Oct - Wed, 15 Oct
British Airways Logo
19:15 - 01:05LHR-IST
3h 50mdirect
British Airways Logo
19:55 - 21:55IST-LHR
4h 00mdirect
€178British Airways
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Wed, 24 Sep - Tue, 14 Oct
British Airways Logo
18:15 - 01:10LHR-IST
3h 55mdirect
British Airways Logo
18:40 - 19:55IST-LHR
4h 15mdirect
€179British Airways
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Sun, 16 Nov - Sat, 6 Dec
Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
Logo
04:50 - 10:30IST-LHR
8h 40m1 stop
€187
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Fri, 5 Dec - Sun, 14 Dec
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€192KLM
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Fri, 5 Dec - Mon, 15 Dec
KLM Logo
06:30 - 16:55LHR-IST
7h 25m1 stop
KLM Logo
17:55 - 20:50IST-LHR
5h 55m1 stop
€199KLM
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Wed, 5 Nov - Mon, 10 Nov
Aegean Airlines Logo
16:35 - 02:20LHR-IST
7h 45m1 stop
Aegean Airlines Logo
04:35 - 11:15IST-LHR
8h 40m1 stop
€208Aegean Airlines
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Fri, 17 Oct - Thu, 23 Oct
Logo
06:40 - 17:10LHR-SAW
8h 30m1 stop
Logo
09:25 - 19:55SAW-LHR
12h 30m1 stop
€209
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Fri, 12 Sep - Tue, 16 Sep
Turkish Airlines Logo
18:00 - 23:55LHR-IST
3h 55mdirect
Turkish Airlines Logo
20:25 - 22:25IST-LHR
4h 00mdirect
€221Turkish Airlines
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Tue, 9 Sep - Fri, 12 Sep
Turkish Airlines Logo
16:40 - 22:40LHR-IST
4h 00mdirect
Turkish Airlines Logo
13:05 - 15:05IST-LHR
4h 00mdirect
€222Turkish Airlines
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Tue, 7 Oct - Thu, 16 Oct

KLM flights from London to Istanbul

Our best KLM deals on London to Istanbul flight tickets
KLM
5 Dec
LHR06:30London Heathrow
7h 25m
1 stop
IST16:55Istanbul
15 Dec
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
€192
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KLM
5 Nov
LHR06:30London Heathrow
7h 25m
1 stop
IST16:55Istanbul
10 Nov
IST17:55Istanbul
5h 55m
1 stop
LHR20:50London Heathrow
€199
Find similar
KLM
16 Sept
LHR17:10London Heathrow
6h 10m
1 stop
IST01:20Istanbul
20 Sept
IST06:10Istanbul
6h 35m
1 stop
LHR10:45London Heathrow
€205
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Aegean Airlines flights from London to Istanbul

Our best Aegean Airlines deals on London to Istanbul flight tickets
Aegean Airlines
17 Oct
LHR16:35London Heathrow
7h 45m
1 stop
IST02:20Istanbul
23 Oct
IST04:35Istanbul
8h 40m
1 stop
LHR11:15London Heathrow
€208
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Aegean Airlines
4 Sept
LHR16:35London Heathrow
7h 45m
1 stop
IST02:20Istanbul
23 Sept
IST15:50Istanbul
7h 20m
1 stop
LHR21:10London Heathrow
€281
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Aegean Airlines
5 Sept
LHR16:35London Heathrow
7h 45m
1 stop
IST02:20Istanbul
9 Sept
IST10:40Istanbul
9h 15m
1 stop
LHR17:55London Heathrow
€297
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momondo Fare Finder

 
Customise your flight search to find flights from London to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 27 August 2025.
Use the filters below to find and compare flights from London to Istanbul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Wed 1/10

09:25-15:20

Nonstop3h 55m

Istanbul Sabiha Gokcen

Wed 15/10

16:15-18:20

Nonstop4h 05m

€174

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 24/9

19:15-01:05

Nonstop3h 50m

Istanbul

Tue 14/10

19:55-21:55

Nonstop4h 00m

€178

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Sun 16/11

18:15-01:10

Nonstop3h 55m

Istanbul

Sat 6/12

18:40-19:55

Nonstop4h 15m

€179

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

06:30-16:55

1 stop7h 25m

Istanbul

Sun 14/12

04:50-10:30

1 stop8h 40m

€187

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 5/12

06:30-16:55

1 stop7h 25m

Istanbul

Mon 15/12

17:55-20:50

1 stop5h 55m

€192

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Wed 5/11

06:30-16:55

1 stop7h 25m

Istanbul

Mon 10/11

17:55-20:50

1 stop5h 55m

€199

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Fri 17/10

16:35-02:20

1 stop7h 45m

Istanbul

Thu 23/10

04:35-11:15

1 stop8h 40m

€208

LondonIstanbul

LHR - SAW

LHRSAW

London Heathrow

Fri 12/9

06:40-17:10

1 stop8h 30m

Istanbul Sabiha Gokcen

Tue 16/9

09:25-19:55

1 stop12h 30m

€209

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 9/9

18:00-23:55

Nonstop3h 55m

Istanbul

Fri 12/9

20:25-22:25

Nonstop4h 00m

€221

LondonIstanbul

LHR - IST

LHRIST

London Heathrow

Tue 7/10

16:40-22:40

Nonstop4h 00m

Istanbul

Thu 16/10

13:05-15:05

Nonstop4h 00m

€222

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Istanbul from

How to get the cheapest flight ticket from London to Istanbul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Istanbul?

The month of January is another great option to travel to Istanbul, with average flight prices from London averaging around €88.

What is the cheapest day to depart on your flight to Istanbul?

The cheapest day to depart from London to Istanbul is on a Friday. Travellers who choose to depart for Istanbul on a Friday will often find tickets for as low as €555. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London to Istanbul for around €820.

What is the cheapest time of day to depart on your flight to Istanbul?

Our most recent data shows that the best time of day to fly to Istanbul is in the afternoon. Flights from London to Istanbul during this time can be as low as €248. Try not to purchase tickets at midday because they tend to be around €600. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Istanbul flight route?

Fly from London Gatwick to Istanbul for the best London - Istanbul flight prices

How far in advance should I book a flight to Istanbul?

You are more likely to see cheaper flights to Istanbul from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around €253 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from London for as low as €229 on momondo.

What cabin class options are available on London to Istanbul flights?

There are 2 cabin classes available to choose from on London to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London to Istanbul flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Istanbul

Fastest flight time

3h 50m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Istanbul

2 airports
The fastest flight from London to Istanbul takes 3h 50m
Direct flights go from London to Istanbul on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There are 2 airports near Istanbul: Istanbul Sabiha Gokcen (SAW), Istanbul (IST)
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  • How far is London to Istanbul by plane?

    The distance between London and Istanbul is about 2496.9 km. By plane, this route typically takes 3h 50m.

  • When did momondo last update prices for flights from London to Istanbul?

    Prices for flights from London to Istanbul are updated daily.

  • How old do you have to be to fly from London to Istanbul?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Istanbul.

  • What documentation or ID do you need to fly to Istanbul?

    The required travel and health documents for your Istanbul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Istanbul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Istanbul?

It is quick and easy to find London to Istanbul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Istanbul that suits you.

Can I find flights from London to Istanbul with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Istanbul flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Istanbul?

momondo provides multiple filters to help you find the best flight to Istanbul from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Istanbul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Istanbul from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Istanbul trip

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Find better results for your trip to Turkey

Fly into one of these airports located in Istanbul

Airports listed have a maximum distance of 33.6 km from Istanbul
Istanbul Airport
Istanbul Sabiha Gokcen Airport